Junior Cycle · Area, Volume and Measurement
⏱ Tested in 2 exam questions since 2023
Lesson 1 of 7
JCHL AVM 1: Rectangles, Squares, Cuboids
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- A length is 1 dimension → plain units (cm). An area is 2 dimensions → squared units (cm²). A volume is 3 dimensions → cubed units (cm³)
- Area of a rectangle = length × width; area of a square = side × side. These are NOT in your maths tables — learn them
- Perimeter = add up all the sides; Volume of a box = length × width × height
- Total surface area of a box = add up the areas of all SIX faces
Formula used
Rectangle: A = l × w, square: A = s², cuboid: V = l × w × h — MUST LEARN
Most recent exam questions
- 2024 Q7(a)
- 2024 Q7(b)(i)
- 2024 Q7(b)(ii)
- 2024 Q7(c)
- 2023 Q3(a)
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